<html>
  <head>
      <style>
      table { empty-cells: show; }
    </style>
  </head>
  <body>
    <table border="1" id="thetable">
      <thead>
        <tr>
          <th>col1</th>
          <th>col2</th>
          <th>col3</th>
          <th>col4</th>
          <th>col5</th>
        </tr>
      </thead>
      <tbody style="overflow-y:auto;overflow-x:hidden;">
        <tr>
          <td>val1</td>
          <td></td>
          <td><input maxlength="6" type="text" id="input" value="text" size="6" /></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <td>val2</td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
      </tbody>
    </table>
  </body>
</html>
